HDFC, ONGC, Punjab National Bank, Suzlong Energy and SAIL are scheduled to announce their June quarter results today.3i Infotech, ABG Shipyard, Alstom Projects, Asahi India, Balmer Lawrie, Bank of India, Bombay Dyeing, Bongaigaon Refinery, Canara Bank, Chambal Fertilisers, Container Corporation, Hindustan Motors, IndusInd Bank, IDFC, Marico, Matrix Labs, Nicholas Piramal, Patel Engineering, Patni Computers, RCF, Reliance Capital, Sterlite Industries, Thermax, Thomas Cook, Wockhardt and Yes Bank also to announce earnings today.